<template>
    <div class="cmt-container">
        <h3>发表评论</h3>
        <hr>
        <textarea placeholder="请输入评论的内容（最多评论120字）" maxlength="120"></textarea>
        <mt-button type="primary" size="large">发表评论</mt-button>
        <div class="cmt-list">
            <div class="cmt-item" v-for="(item,i) in comments" :key="item.add_time">
               <div class="cmt-title">
                   第{{i+1}}楼&nbsp;&nbsp;用户：{{item.user_name}}&nbsp;&nbsp;发表时间：{{item.add_time | dateFormat}}
               </div>
               <div class="cmt-body">
                   {{item.content === 'undefined' ? '什么也没说' : item.content}}
               </div>
            </div>
        </div>
        <mt-button type="danger" size="large" plain @click="getMore">加载更多</mt-button>
    </div>
</template>

<script>
import { Toast } from "mint-ui";
export default {
  data() {
    return {
      pageIndex: 1, //默认展示第一页数据
      comments: []
    };
  },
  created() {
    this.getComments();
  },
  methods: {
    getComments() {//获取评论
      this.$http
        .get("api/getcomments/" + this.id + "?pageindex=" + this.pageIndex)
        .then(function(result) {
          if (result.body.status === 0) {
            // this.comments = result.body.message;
            //每当获取新评论数据的时候，不要把老数据清空，而是应该以老数据，拼接上新数据
            this.comments = this.comments.concat(result.body.message)
          } else {
            Toast("获取评论失败！");
          }
        });
    },
    getMore(){
        this.pageIndex ++;
        this.getComments();
    }
  },
  props: ["id"],
};
</script>

<style lang="scss" scoped>
.cmt-container {
  h3 {
    font-size: 18px;
  }
  textarea {
    font-size: 14px;
    height: 85px;
    margin: 0;
  }
  .cmt-list {
    margin: 5px 0;
    .cmt-item {
      font-size: 13px;
      .cmt-title {
        line-height: 30px;
        background-color: #ccc;
      }
      .cmt-body {
        line-height: 35px;
        text-indent: 2em;
      }
    }
  }
}
</style>


